|Rank|Name|Nationality|Time (hand)|Notes|
|---|---|---|---|---|
||Tommy Green|Great Britain|4:50:10|OR|
||Jānis Daliņš|Latvia|4:57:20||
||Ugo Frigerio|Italy|4:59:06||
|4|Karl Hähnel|Germany|5:06:06||
|5|Ettore Rivolta|Italy|5:07:39||
|6|Paul Sievert|Germany|5:16:41||
|7|Henri Quintric|France|5:27:25||
|8|Ernie Crosbie|United States|5:28:02||
|9|Bill Chisholm|United States|5:51:00||
|10|Alfred Maasik|Estonia|6:19:00||
||Henry Cieman|Canada||DNF|
||John Moralis|Greece||DNF|
||Francesco Pretti|Italy||DNF|
||Arthur Tell Schwab|Switzerland||DNF|
||Harry Hinkel|United States||DNF|

Question: how many ranks are there?
Answer: 10